Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
84
The University of Warwick: WRAP - Warwick Research Archive Portal
68
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
37
DataCite
24
IEDA: Marine-Geo Digital Library (via DataONE)
20
DataCite Metadata Store (German National Library of Science and Technology)
11
NOAA NCEI Environmental Data Archive (via DataONE)
7
German Aerospace Center: elib - DLR electronic library
5
Directory of Open Access Journals: DOAJ Articles
2
OpenEdition
2
CyberLeninka (Scientific Electronic Library)
1
IEDA: EarthChem Library (via DataONE)
1
USGS Science Data Catalog (via DataONE)
1
University of Sussex: Sussex Research Online
1
Università degli Studi di Napoli "Parthenope": CINECA IRIS
1